@charset "utf-8";

html {
    background-image: url("blue_bg2.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-color: #f0f4f8;
}

body {
    font-family: Verdana, Geneva, sans-serif;
    color: rgb(91, 91, 91);
    background-color: rgba(255, 255, 240, 0.92);
    margin: 0;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
}

header img {
    width: 100%;
    display: block;
}

main img {
    width: 25%;
    padding: 25px;
    display: block;
    margin: 0 auto 20px auto;
    float: right;
    margin: 0 0 1em 1em;
}

main {
    padding: 20px;
    margin-top: 35px;
    overflow: hidden;
}

h1, h2 {
    text-shadow: 4px 6px 5px gray;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav li {
    display: block;
    width: 20%;
    float: left;
}

nav a {
    display: block;
    background-color: #4a6fa5;
    line-height: 2.8em;
    text-decoration: none;
    text-align: center;
    color: #f0f8ff;
}

nav a:hover {
    background-color: #3a5a8a;
    color: #ffd700;
}

body > footer {
    background-color: #4a6fa5;
    color: rgba(240, 248, 255, 0.7);
    font-weight: bold;
    font-size: 0.9em;
    line-height: 3em;
    text-align: center;
    margin-top: 10px;
    padding: 10px;
    clear: both;
}

main ul {
    list-style-type: square;
}